diff --git a/package.json b/package.json
index 753d55a..958a2f3 100644
--- a/package.json
+++ b/package.json
@@ -60,6 +60,9 @@
   },
   "eslintConfig": {
     "extends": "@drom/eslint-config/eslint4/node8",
+    "env": {
+      "es2020": true
+    },
     "parserOptions": {
       "ecmaVersion": 2020
     }